Foot warmer



FIG. 1 is a top left front perspective view of a foot warmer showing ournew design;

FIG. 2 is a left side elevational view thereof, the right side being amirror image thereto;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof.

The ornamental design for a foot warmer, substantially as shown anddescribed.